* Macnab criteria for the classification of outcome in patients treated for lumbar disc herniations
 
Classification  Criteria
 
Excellent
 No painno restriction of activity occasional 
 
Good
 Back or leg pain of sufficient severity to interfere with the patients ability to do normal work or capacity to enjoy leisure hours
 
Fair
 Improved functional capacity, but handicapped by intermittent pain of sufficient severity to cu-rtail or modify work or leisure activity
 
Poor
 No improvement or insufficient improvement to enable increase in activities, further operative intervention required
 
 
